/Engine/Source/Runtime/Engine/Classes/Engine/World.h
Spawns a PlayerController and binds it to the passed in Player with the specified RemoteRole and options
the PlayerController that was spawned (may fail and return NULL)
[APlayerController](API\Runtime\Engine\GameFramework\APlayerController) * SpawnPlayActor ( class [UPlayer](API\Runtime\Engine\Engine\UPlayer) * Player, ENetRole RemoteRole, const [FURL](API\Runtime\Engine\Engine\FURL) & InURL, const [FUniqueNetIdRepl](API\Runtime\Engine\GameFramework\FUniqueNetIdRepl) & UniqueId, [FString](API\Runtime\Core\Containers\FString) & Error, uint8 InNetPlayerIndex )